The App Engine datastore API comes with a wide range of Property classes you can use to represent properties on your datastore models. Occasionally, though, you'd like to do something that the designers didn't think of. Fortunately, it's really easy to extend the Datastore API with custom Property classes. In this blog post, we'll demonstrate how to write your own Property class to store Python's decimal data type.The Property interface is documented here, but there are two essential methods our DecimalProperty must override: get_value_for_datastore,...
Thursday, 30 July 2009
Monday, 13 July 2009
Google App Engine for Java SDK 1.2.2 Released
Posted on 17:48 by Unknown
Greetings App Engine developers! We're pleased to announced the availability of a new Java SDK, available for download here. This is largely a bugfix release, but there are a few new features we think you'll be excited to get your hands on:The appcfg upload tool includes proxy support.JDO and JPA support an extension that lets you mark individual fields as "unindexed."At long last, the dev appserver has a data viewer. Start your app locally and point your browser to http://localhost:8080/_ah/admin to check it out.The local datastore now has the...
Thursday, 9 July 2009
A Day in the Cloud, new articles on scaling, and fresh open source projects for App Engine
Posted on 11:28 by Unknown
The latest release of Python SDK 1.2.3, which introduced the Task Queue API and integrated support for Django 1.0, may have received a lot of attention, but there have been a number of other notable launches and events since our last update. Several of these are summarized below.A Day in the CloudOn June 24th, Google Apps and Virgin America invited people from around the world to participate in a one-day online scavenger hunt called Day in the Cloud. Competitors were each given one hour to solve various puzzles and find answers to a host of trivia...
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